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MERSEN FUSE A 070 URD 30 TTI 0160 A070URD30TTI0160
High-speed Protistor® fuse rated at 690VAC IEC and 700VAC UL with 160A current capacity, featuring a robust ceramic square body, striker indication system, and flush end silver-plated brass terminals with UNC threads.
£54.94
Why Choose the Mersen N300576 Protistor® High-Speed Fuse?
The Mersen N300576, catalogue number A070UD30TTI160, is a Protistor® Size 30 square body high-speed semiconductor protection fuse engineered to provide exceptional short-circuit protection for modern power electronic equipment. Featuring an ultra-fast aR operating characteristic, it is specifically designed to protect IGBTs, thyristors, MOSFETs and diodes used in industrial drives, converters and power control systems.
Rated at 160 A, with a 690 V AC IEC and 700 V AC UL voltage rating, the N300576 delivers excellent current limitation with a 200 kA breaking capacity. The fuse is manufactured using die-cut silver fuse elements embedded in solidified sand, providing low let-through energy (I²t) and dependable protection for sensitive semiconductor devices.
Designed with flush-end UNC threaded terminals, silver-plated contacts and an integrated striker indicator, the Mersen N300576 is ideal for industrial motor drives, UPS systems, renewable energy converters, power supplies and other demanding semiconductor protection applications.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 160 A continuous current rating.
- 690 V AC IEC / 700 V AC UL voltage rating.
- High 200 kA breaking capacity.
- Protects IGBTs, thyristors, MOSFETs and diodes.
- Integrated striker indicator for remote monitoring.
- Silver-plated contacts for reliable electrical performance.
- Low I²t minimises semiconductor damage during faults.
Key Features
- Mersen Protistor® Size 30 series.
- Catalogue number A070UD30TTI160.
- 160 A rated current.
- 690 V AC IEC / 700 V AC UL.
- aR ultra-fast operating characteristic.
- Flush-end UNC threaded terminals.
- Silver-plated contact surfaces.
- Integrated striker indicator.
- RoHS compliant.
Engineered for Reliable Semiconductor Protection
Protistor® high-speed semiconductor fuses are specifically designed to interrupt fault currents before excessive thermal energy can damage expensive power semiconductor devices. Their low I²t values and high interrupting ratings help maximise equipment reliability while reducing maintenance costs and unplanned downtime.
The Mersen N300576 is widely specified by OEMs, panel builders and maintenance engineers protecting variable frequency drives, industrial converters, UPS systems and renewable energy equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters.
- UPS systems.
- Renewable energy inverters.
- Industrial automation equipment.
- Power supplies.
- Semiconductor protection systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | N300576 | |
| Catalogue No | A070UD30TTI160 | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 160A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340330564 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 160 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 9.2 kA²s | |
| Melting I2t | 1.6 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 40 mm | |
| Product Length | 50.6 mm | |
| Product Height | 48 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.765 kg | |
| Sell Pack Width | 80 mm | |
| Sell Pack Length | 135 mm | |
| Sell Pack Height | 55 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.255 kg | |
| Power Dissipation at Rated Current Value | 37 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen N300576 used for?
The Mersen N300576 protects semiconductor devices such as IGBTs, thyristors, MOSFETs and diodes from damaging short-circuit faults in industrial power electronic equipment.
What is the current rating?
The Mersen N300576 has a continuous current rating of 160 A.
What voltage is the fuse rated for?
It is rated for 690 V AC (IEC) and 700 V AC (UL).
Does the N300576 include a striker indicator?
Yes. The fuse includes an integrated striker indicator that can operate compatible remote microswitch accessories.
What does the aR operating characteristic mean?
The aR characteristic identifies an ultra-fast semiconductor protection fuse designed specifically for short-circuit protection of sensitive semiconductor devices.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, machine builders and industrial maintenance engineers for delivering reliable high-speed protection of critical power electronic equipment.
